Deep necrosis of underlying tissues [deep third degree] with loss of a body part, of scalp [any part]
Convert to ICD-10-CM: 
941.56 converts approximately to:
- 2015/16 ICD-10-CM T20.35XA Burn of third degree of scalp [any part], initial encounterOr: 
- 2015/16 ICD-10-CM T20.75XA Corrosion of third degree of scalp [any part], initial encounter